Remove all ordering requirements in CSSValueKeywords.in (WIP)

third_party/WebKit/Source/core/css/resolver/StyleBuilderCustom.cpp

Index: third_party/WebKit/Source/core/css/resolver/StyleBuilderCustom.cpp
diff --git a/third_party/WebKit/Source/core/css/resolver/StyleBuilderCustom.cpp b/third_party/WebKit/Source/core/css/resolver/StyleBuilderCustom.cpp
index d4f085bcd3c6ff89be5f7899d8d47384ff08ba4d..4dd5087e64ec9cd8ede0e3e498e5f1ddf59ff7bf 100644
--- a/third_party/WebKit/Source/core/css/resolver/StyleBuilderCustom.cpp
+++ b/third_party/WebKit/Source/core/css/resolver/StyleBuilderCustom.cpp
@@ -791,9 +791,10 @@ void StyleBuilderFunctions::applyValueCSSPropertyContent(
       const CSSCounterValue* counterValue = toCSSCounterValue(item.get());
       EListStyleType listStyleType = NoneListStyle;
       CSSValueID listStyleIdent = counterValue->listStyle();
-      if (listStyleIdent != CSSValueNone)
+      if (listStyleIdent != CSSValueNone) {
         listStyleType =
-            static_cast<EListStyleType>(listStyleIdent - CSSValueDisc);
+            CSSValueIDToPlatformEnum<EListStyleType>(listStyleIdent);
+      }
       std::unique_ptr<CounterContent> counter = wrapUnique(new CounterContent(
           AtomicString(counterValue->identifier()), listStyleType,
           AtomicString(counterValue->separator())));